www.pudn.com > xyl.rar > UserLogin.ascx.cs

namespace Com991205 
{ 
	using System; 
	using System.Data; 
	using System.Drawing; 
	using System.Web; 
	using System.Web.UI.WebControls; 
	using System.Web.UI.HtmlControls; 
	using System.Data.SqlClient; 
 
	/// 
 
	///	Summary description for UserLogin. 
	/// 
 
	public class UserLogin :Com991205.UserModuleControl 
	{ 
		protected System.Web.UI.WebControls.TextBox UserName; 
		protected System.Web.UI.WebControls.TextBox Password; 
		protected System.Web.UI.WebControls.ImageButton SigninBtn; 
		protected System.Web.UI.WebControls.ImageButton GuestLoginBtn; 
		protected System.Web.UI.WebControls.Label Message; 
	 
		private void Page_Load(object sender, System.EventArgs e) 
		{ 
			// Put user code to initialize the page here 
		} 
 
		#region Web Form Designer generated code 
		override protected void OnInit(EventArgs e) 
		{ 
			// 
			// CODEGEN: This call is required by the ASP.NET Web Form Designer. 
			// 
			InitializeComponent(); 
			base.OnInit(e); 
		} 
		 
		/// 
 
		///		Required method for Designer support - do not modify 
		///		the contents of this method with the code editor. 
		/// 
 
		private void InitializeComponent() 
		{ 
			this.SigninBtn.Click += new System.Web.UI.ImageClickEventHandler(this.SigninBtn_Click); 
			this.GuestLoginBtn.Click += new System.Web.UI.ImageClickEventHandler(this.GuestLoginBtn_Click); 
			this.Load += new System.EventHandler(this.Page_Load); 
 
		} 
		#endregion 
 
		private void SigninBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e) 
		{ 
			String userId = ""; 
 
			if((UserName.Text.Trim() != "")&&(Password.Text.Trim() != "")) 
			{ 
				UserDB user = new UserDB(); 
				SqlDataReader recu = user.GetUserLogin(UserName.Text.Trim(),UserDB.Encrypt(Password.Text.Trim())); 
 
				if(recu.Read()) 
				{ 
					userId = recu["UserID"].ToString(); 
				} 
				recu.Close(); 
 
				if((userId != null)&&(userId != "")) 
				{ 
					Session["UserID"] = userId; 
 
					Session["UserName"] = UserName.Text.Trim(); 
                  
					UserInfoOrContDB userInfo = new UserInfoOrContDB(); 
 
					//更新用户登陆后的信息 
                    userInfo.UpdateUserInfo(Int32.Parse(userId)); 
 
					//返回到初始页面 
					Response.Redirect(Request.ApplicationPath); 
				} 
				else 
				{ 
					UserName.Text = ""; 
					Password.Text = ""; 
 
					Response.Write(""); 
				} 
			} 
			else 
			{ 
				Response.Write(""); 
			} 
		} 
 
		private void GuestLoginBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e) 
		{ 
			//游客登陆 
			Session["UserID"] = "0"; 
			Session["UserName"] = "Guest"; 
 
			//返回到初始页面 
			Response.Redirect(Request.ApplicationPath); 
		} 
	} 
}